Chair



FIG. 1 is a front view of the chair embodying our new design;

FIG. 2 is a rear view of the chair;

FIG. 3 is a plan view of the chair;

FIG. 4 is a side view of the chair;

FIG. 5 is a front perspective view from above of the chair, and

FIG. 6 is a rear perspective view from below of the chair. 

The ornamental design for a chair, substantially as shown and described. 